Johannesburg’s City Power says it has completed 70% of the repair work at the Mayfair Substation.
This follows a secondary explosion at the substation on Monday evening, which disrupted electricity supply to several areas including Auckland Park, Melville and Brixton.
The outage has also affected the South African Broadcasting Corporation (SABC), Sentech and Garden City Hospital.
City Power says technical teams are now working on the remaining repairs, with the first phase of electricity restoration targeted for Wednesday evening.
City Power spokesperson, Isaac Mangena, says priority will be given to critical customers.
“City Power has completed 70% of the work at Mayfair Substation, with critical material delivered and preliminary testing successfully completed. Technical teams are currently progressing with the remaining repairs, and no major obstacles are anticipated at this stage. We are targeting the start of the first phase of electricity restoration by this evening, prioritising critical customers such as the SABC, Sentech, Garden City Hospital and others.”